Security Bulletin
Summary
This Security Alert addresses CVE-2021-44228, a vulnerability in Apache Log4j. Versions Affected: All Apache Log4j2 <=2.14.1 on IBM Informix Dynamic Server in Cloud Pak for Data. Fix includes Apache Log4j 2.17.1.
Vulnerability Details
CVEID: CVE-2021-4104
DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Informix Dynamic Server on Cloud Pak for Data | v4.0 |
Remediation/Fixes
None
Workarounds and Mitigations
IBM strongly recommends addressing the vulnerability now by executing these manual steps.
- Upgrade your Informix 4.0.0 deployments to 4.0.1
- Install the Informix operator version 4.0.1 (included in the CASE ibm-informix-operator-bundle-4.0.3.tgz)
- Navigate to the official documentation for the Informix CP4D service (https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=services-informix) and follow the steps in the “Upgrading Informix” to update any deployed Informix custom resource from 4.0.0 to 4.0.1
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References
Change History
03 Feb 2022: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
More support for:
Informix Servers
Software version:
IBM Cloud Pak for Data V14.10
Operating system(s):
RedHat OpenShift
Document number:
6553626
Modified date:
03 February 2022
UID
ibm16553626